Pneumatic Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

Last post

thank you for creating this website is there anything i can do to help
15 Replies

1125248 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
Directional Control Valves (3way valves and stuff like that)

Last post by jpalf1
Replies: 86
by POLAND_SPUD » Sun Mar 07, 2010 1:12 am
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Directional Control Valves, commonly refereed to as 3,4,5 etc. valves or spool/poppet valves etc., can be very useful for spuders.
They can be used...

Last post

very,useful info for a beginner such as myself.The links are great as well.Thankyou.(you won't believe this but as i was reading,my fridge comp...
86 Replies

552392 Views

Last post by jpalf1
Sat Apr 13, 2013 10:53 am
Sprinkler Valve Troubleshooting Guide

Last post by quinn whitsitt
Replies: 64
by noname » Sat Jun 16, 2007 12:15 am
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Sprinkler Valve Troubleshooting

This is a guide to sprinkler valve problems. Before creating a new topic to ask questions on why your valve isn't...

Last post

great job everyone
64 Replies

821306 Views

Last post by quinn whitsitt
Thu Feb 22, 2024 2:18 pm
Piston Valves Explained Visually

Last post by pavina
Replies: 178
by clide » Mon May 14, 2007 11:21 pm
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First post

I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates.

Well I made this...

Last post

Thanks for sharing this! It might also be useful to mention how friction and maintenance can affect performance over time. Looking forward to more...
178 Replies

967195 Views

Last post by pavina
Fri Sep 27, 2024 4:05 am
"How Much CO2 do I need?"

Last post by choke
Replies: 32
by BC Pneumatics » Sun Apr 01, 2007 9:52 pm
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For all those people out there looking for a rough idea of how much CO2 they will need for a chamber of any given size-
Just multiply the volume of...

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Great piece of software :) I've been kicking numbers round my head for a while now, and wondered if someone here could confirm. I'm filling a 1.5 dia...
32 Replies

374962 Views

Last post by choke
Thu Jul 04, 2013 2:38 pm
Valve Cutaways

Last post by jhalek90
Replies: 8
by PCGUY » Sat Feb 26, 2005 9:10 pm

First post

VALVE CUTAWAY

Provided By - Longshot

These are some pictures of some of the most popular valves used on spud cannons. Only difference is, these...

Last post

Can someone fix the picture links??

8 Replies

92425 Views

Last post by jhalek90
Wed Oct 07, 2009 2:13 pm

Topics

My First Pneumatic Cannon

Last post by cannonmaster
Replies: 11
by IMagius » Thu Feb 18, 2010 10:34 am

First post

As the title says, this is my first cannon.

I built it to try and get a grasp of what's involved before moving up to a larger size of chamber and...

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for a first time with no help that is great. i know that i've gotten a lot of help from this sight and to me it is invaluable.

11 Replies

4767 Views

Last post by cannonmaster
Sun Feb 21, 2010 7:01 pm
Balanced Poppet Valve

Last post by iknowmy3tables
Replies: 11
by AlphaOmega » Sat Feb 06, 2010 5:21 am

First post

I'm sure this information is on this sight somewhere I know BTB and Far_Cry have been successful but could someone give me a link to a diagram of a...

Last post

no, if you made a really sharp edge it would but control valves, blowguns, sleeve valves and many valves use sliding rubber seals that slide across...

11 Replies

12412 Views

Last post by iknowmy3tables
Sun Feb 21, 2010 12:46 am
fridge compressor

Last post by chinnerz
Replies: 3
by Crna Legija » Sat Feb 20, 2010 9:17 am

First post

there will be a trash day soon around my house and im hopeing that someone will throw out a fridge so that i can get a compressor or two.
i have a...

Last post

hey, make sure you put some pics up when you do find the fridge compressor.
GOOD LUCK!!

3 Replies

4029 Views

Last post by chinnerz
Sun Feb 21, 2010 12:23 am
Help me see if I missed any big flaws please.

Last post by sssssbooom
Replies: 7
by sssssbooom » Sat Feb 20, 2010 1:34 am

First post

Hey guys it has been a while scene I have made a gun so I started to make one.

I have made all the cuts. All I have left is to make a piston,...

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Here are pics of my barrel support and piston

I actually turned this flush bushing reducer on my wood lathe to fit inside 3/4 type M pipe then filed...

7 Replies

3171 Views

Last post by sssssbooom
Sat Feb 20, 2010 8:43 pm
Half Cent Front Sight

Last post by biged
Replies: 23
by boyntonstu » Fri Feb 12, 2010 3:44 pm
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A little rough prior to polishing, but you should get the idea.

Last post

Sorry had to post it...

///ed///
23 Replies

8105 Views

Last post by biged
Sat Feb 20, 2010 2:23 pm
6mm pistol design 2.1

Last post by Demon
Replies: 5
by Demon » Sat Feb 13, 2010 4:12 pm

First post

I know that i am pprogressing kinda slowly as i am in school and busy, but i had various moments to think of the design. So i realised that i was not...

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I received the barrel (6.03 madbull barrel and .43 g bb's ) a few hours ago and i tested it on my sprinkler valve potato canon (with an adapter)
and...

5 Replies

1721 Views

Last post by Demon
Fri Feb 19, 2010 6:08 pm
Mag fed video

Last post by Solar
Replies: 4
by Solar » Mon Feb 08, 2010 3:51 pm

First post

ok, so the magazine isn't finished yet, but here is the latest launcher being shot.
The air tank was low, so you get to hear the shots slow down...

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This is a different launcher. The tube fed mag gun uses an elevator action, whereas this one uses a bolt that is fired similar to the automag...

4 Replies

1845 Views

Last post by Solar
Fri Feb 19, 2010 12:14 am
Small Caliber

Last post by jhalek90
Replies: 14
by Spooky » Sun Feb 14, 2010 4:11 pm

First post

So, I've got my hands on an old .22 air rifle barrel and was looking at making my own rifle.

I know with compressed air it's hard to get high...

Last post

:3some: crazy dutch folk...

14 Replies

5950 Views

Last post by jhalek90
Wed Feb 17, 2010 5:55 pm
Simple Glowstick (3/4") Launcher

Last post by psycix
Replies: 9
by WetWorks » Tue Feb 16, 2010 2:52 pm

First post

Hi,

I'd like to show you guys a simple little project I made to amuse myself and co-workers during some overtime last month.

It's a simple...

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The sprinkler is certainly the limiting factor here.
If you would just build a piston valve... then you would have a cannon.

9 Replies

5855 Views

Last post by psycix
Wed Feb 17, 2010 6:42 am
full-auto piston valve and bolt combination revisit

Last post by POLAND_SPUD
Replies: 20
by iknowmy3tables » Mon Feb 15, 2010 2:46 pm
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so back in spudfiles contest of 2007 clide came out of nowhere with his fully automactic HEAR valve after brain storming through designs for valve,...

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I'm always afraid the the cylinder will bolt will begin to open while it's firing

if you use a single acting air cylinder the pressure inside the...
20 Replies

8164 Views

Last post by POLAND_SPUD
Wed Feb 17, 2010 5:51 am
great valve animations. 50+ valves

Last post by i-will
Replies: 2
by jhalek90 » Tue Feb 16, 2010 6:35 pm

First post

I don't know if anyone has posted this before.
It may be of some use to a few people.

mostly semi-auto valves from paintball guns, click the...

Last post

i think zdspb.com has more animations in its tech section.

warpig.com also has a tech section. they go into so much detail. animations,...

2 Replies

1546 Views

Last post by i-will
Wed Feb 17, 2010 4:58 am
new hybrid idea

Last post by Lentamentalisk
Replies: 8
by twizi » Mon Feb 15, 2010 7:53 pm

First post

hey guys i have been think about a simple hybrid and for some reason deisal engines popped in my head so i was think if you had a certian amount of...

Last post

Ok, so none of you really understand what you are talking about. Dieseling works in spring pellet rifles, though they are not designed for those...

8 Replies

2712 Views

Last post by Lentamentalisk
Mon Feb 15, 2010 10:29 pm
Barrel Transition

Last post by Ragnarok
Replies: 9
by PVC Arsenal 17 » Sat Feb 13, 2010 11:47 pm

First post

Suppose I fired a Nerf dart through a .5 bore barrel and then wanted it to travel through a .527 bore barrel extension for about 4 inches. Assuming...

Last post

Search for golfball in a drainpipe
I went to Google for that one.

First link was a hilarious story about how a man had blocked his shower drain by...

9 Replies

2572 Views

Last post by Ragnarok
Mon Feb 15, 2010 5:34 pm
TFS-Semi (Preview)

Last post by PVC Arsenal 17
Replies: 16
by PVC Arsenal 17 » Sun Aug 23, 2009 2:31 pm
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Just something I've been working on lately (unfinished):

Video demonstrating a single shot with shell ejection.

You can follow the original...

Last post

Thanks for the comments. Right now I'm working on an updated design to address some problems this one had. I'll be submitting it to the Nerf Gun...
16 Replies

6813 Views

Last post by PVC Arsenal 17
Mon Feb 15, 2010 2:33 pm
Cartridge ejection system?

Last post by iknowmy3tables
Replies: 19
by FighterAce » Sun Feb 14, 2010 8:56 am
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Few days ago I made my first working piston valve that has a spring to keep it sealed so it doesnt need to be filled from the pilot valve. Both fill...

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no I don't belive thats it I'm not sure how that one really works, but the one I recall was made out of pvc. and one random detail I remember was...
19 Replies

9439 Views

Last post by iknowmy3tables
Mon Feb 15, 2010 9:43 am
My future Piston cannon needs you

Last post by MrCrowley
Replies: 5
by Marffy » Sat Feb 13, 2010 11:40 pm

First post

I'm gonna make a large piston cannon. i hope to have a 4 T with 3 porting. i have done lots of research about piston cannons but i still need a lot...

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It could shoot exteremly far and hit something
If you ever shoot your cannon and it doesn't hit anything, I would be very worried. :roll:

Don't...

5 Replies

2097 Views

Last post by MrCrowley
Sun Feb 14, 2010 4:47 pm
Copper coaxial idea

Last post by Gun Freak
Replies: 8
by Gun Freak » Sat Feb 13, 2010 10:24 am

First post

I got his idea from another cannon I saw on the forum... Its a coaxial piston valve with a 1/2 chamber and probanly a 1/4 barrel. I am wondering if...

Last post

It looks like this:

8 Replies

3515 Views

Last post by Gun Freak
Sun Feb 14, 2010 1:27 pm
Threaded tube?

Last post by Crna Legija
Replies: 14
by Jack_Hogg » Sat Feb 13, 2010 11:44 am

First post

Well, I am planning to build another airgun. This time no shotgun, but a 20mm short sniper. I do like to make it as compact as possible, so instead...

Last post

I have seen them at bunnings is australia, i used it to hold my piston on the gun i posted not that long ago

14 Replies

4103 Views

Last post by Crna Legija
Sat Feb 13, 2010 8:58 pm
Hydrostatic pressure testing

Last post by D_Hall
Replies: 11
by metalmeltr » Tue Feb 09, 2010 12:42 pm

First post

I seems that for safety reasons everyone want to know how much pressure fittings can handle. I think I have an affordable method that should work...

Last post

Sure, but as we've stated, there are much cheaper options available to get to the pressures we're talking about. A grease gun costs what... $30? And...

11 Replies

3340 Views

Last post by D_Hall
Sat Feb 13, 2010 12:03 pm
Yet another basic spudgun

Last post by Fish8myb8
Replies: 13
by Fish8myb8 » Wed Feb 10, 2010 10:02 pm

First post

Hello, spudders. I'v been looking all around the net for help on making my first spudgun, and Spudfiles seemed to be the answer to all my questions....

Last post

Alright, thanks Hubb. Great stuff in your Library, by the way. Rifling the barrel soon, and now I know for sure what to do with a sprinkler valve...

13 Replies

5411 Views

Last post by Fish8myb8
Fri Feb 12, 2010 3:29 pm
New JSR semi-auto prototype (split topic)

Last post by CpTn_lAw
Replies: 74
by jackssmirkingrevenge » Sun Jan 03, 2010 1:50 am
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Note from MrCrowley: This topic has been split from here as JSR's hijack eventually took over the thread.

I decided to make something conceptually...

Last post

This is what I did in the mini pen-gun I talked to you about a few months ago.
It worked , but the space between the aluminium of the piston and the...
74 Replies

29313 Views

Last post by CpTn_lAw
Fri Feb 12, 2010 3:29 am
Piston valve not opening: Help!

Last post by daniele tn
Replies: 5
by daniele tn » Mon Feb 08, 2010 2:55 pm

First post

Hi, I have got a problem with the small metal piston gun that I built.
It was actuated by a ball valve, thanks to your help I upgraded it using a...

Last post

It works exacly like that, just had to think a bit to find out.
I changed it and now it works, but I still have leaks from the barrel.
I use a...

5 Replies

2585 Views

Last post by daniele tn
Thu Feb 11, 2010 3:26 pm
Gun Freak's Co-Ax Done... Again -L-

Last post by Gun Freak
Replies: 17
by Gun Freak » Tue Feb 09, 2010 8:29 pm
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I have rebuilt my new co-ax because the piston was not sealing the barrel or my support was creating a leak. For whatever reason it wasn't working......

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Was the third foot for JSR? I sure liked it... :roll:

As if the pilot volume sufficiently large to hold the contents of a blue whale's left bollock...
17 Replies

5885 Views

Last post by Gun Freak
Thu Feb 11, 2010 9:32 am
my piston cannon

Last post by Crna Legija
Replies: 4
by Crna Legija » Wed Feb 10, 2010 7:27 am

First post

i made this 2 months ago and never posted bored at home thought ill share it with yall. i made the piston on drill press lathe out of nylon its got a...

Last post

thanks for the kind words everyone

@btb
as for the stock i was going for a kind of sako trg-42 type stock for a hammer valve gun i made but it was...

4 Replies

2106 Views

Last post by Crna Legija
Wed Feb 10, 2010 6:56 pm
Blow gun valve help

Last post by Brian the brain
Replies: 3
by FunkyJuiceMan » Wed Feb 10, 2010 10:53 am

First post

Ok. So I'm very new to this website/forum... And before I build a gun I want to figure out what some of the parts do and how they work.

Can somebody...

Last post

Can somebody explain the blow gun valve and how it works ?

Inside is a little stem with a sealing face on it.It covers a hole.It is held in place...

3 Replies

1418 Views

Last post by Brian the brain
Wed Feb 10, 2010 5:30 pm

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